oa.rf.compHouse = new RenderingForm(
  "compHouse",
  "Renders a set of binary terms, where the second operand is fixed, into the rooms of a stylized house.",
  RenderingModeEL.enbloc 
);

oa.rf.compHouse.isApplicableTo = function( apt) {
  return (
    apt instanceof ArithmeticProblemType && 
    (apt.numberType === NumberTypeEL.NonNegativeInteger || 
     apt.numberType === NumberTypeEL.Integer ||
     apt.numberType === NumberTypeEL.Decimal) &&
    apt.operators.length === 1 &&
    apt.numberRanges[2].lb === apt.numberRanges[2].ub
  );
};
